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tetrahydrofuran

- May 29, 2018 -

INTRO

Tetrahydrofuran (THF) is a colorless, water-soluble organic liquid with low viscosity at ambient temperature and pressure.The chemical formula for this ring ether can be written as (CH2)4O.Because of its long liquid range, it is a commonly used medium polar nonproton solvent.Its main use is as a precursor to polymers.Although the odor and chemical properties of THF are similar to those of ether, the anesthetic effect is poor.

On October 27, 2017, the list of carcinogens released by the world health organization's international agency for research on cancer was preliminarily compiled for reference. Tetrahydrofuran was included in the list of 2B carcinogens.

CHEMICAL PROPERTY

1. Properties: colorless volatile liquid with an ethere-like odor.

2. PH value: 5 (20% aqueous solution)

3. The melting point (℃) : 108.5

4. The boiling point (℃) : 66

5. Relative density (water =1) : 0.89

6. Flash point (℃) : - 14 (CC);- 20 (OC)

USE

Used as chromatographic reagent, organic solvent and nylon 66 intermediates. Tetrahydrofuran is also known as one-oxygen five-ring, oxygen-heterocyclic pentane, four methylene oxygen, is the synthesis of benzene tin intermediates, in addition, can be directly used in synthetic fiber, synthetic resin, synthetic rubber, but also a lot of polymeric materials, precision tape and electroplating industry solvents, but also for the preparation of nitrile, adipic acid, hexanediamine, succinate, butadiene alcohol, Gamma Butyrolactone ester, in the pharmaceutical industry, can be used to produce cough will clear, progesterone, lincomycin and used as pharmaceutical solvents.

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